A2Z Business & Tax Service is a full-service accounting firm in Rapid City, SD, licensed in South Dakota. The firm works with business owners, executives, independent professionals, and individuals who need support with accounting, tax, payroll, and related financial matters.

Its services include tax preparation and tax planning, help with tax problems such as IRS audit representation, back taxes, non-filed returns, payroll tax issues, payment plans, and related resolution options. For businesses, A2Z Business & Tax Service also offers small business accounting, payroll services, new business formation support, and QuickBooks setup, training, and tuneup services.

The profile source describes in-person service and one-on-one guidance for individual and business needs, including personal financial planning, estate planning, elder care tax services, and business strategy resources.